Since the beginning of December 2021, I own an Unistellar eVscope 2 telescope for observing and taking photos of deep sky objects. On this page, I collect information about observations from December 5, 2021 to March 20, 2022 (after the repair by Unistellar), that is during a phase where my eVscope 2 was not in correct condition (primary mirror under tension). In this phase, I used the newly released app version 1.5.0. The photos that were taken during this phase are be presented elsewhere:
In December 2021 to February 2022, I observed mostly the following sky area (some observed objects are indicated):
Map: Section of the sky with the observed objects (Image Courtesy of SkySafari Astronomy, www.simulationcurriculum.com)
The observations in this phase started in December 2021 and ended in March 2022. They typically took place shortly after dusk, when it was sufficiently dark for a successful star alignment. In December, this was already after 5:30 p.m. In March this was already about two hours later...
The first observation sessions took place in Erkerode near Braunschweig (Germany):
Some of the observations took place in Mühlhausen/Kraichgau (Germany):
When observing with the eVscope 2, I only needed the eVscope 2 and my iPhones or iPad. Partly, I also observed with my original eVscope in parallel in order to perform some comparisons.
In general, the sky above Mühlhausen/Kraichgau is "light-polluted" (SQM 20.5) and does not invite you to search for deep sky objects. This is certainly one of the reasons why I found some of the deep sky objects that I wanted to observe only sometimes or not at all. For astro photography, however, light pollution is not as disturbing as for visual observations. The sky quality is a litttle bit better in Erkerode.
|Observed Objects||Observed Objects, Details||Remarks||Further Remarks|
|OC: M 2, M 15
PN: M 27
M 2, M 15, M 27; M 57 did no longer work because of clouds
|Focused with Bathinov mask;
telescope was poorly collimated (after it was sent to me)
|Collimation attempts failed because of "operator aborts" and clouds...|
|OC: NGC 869, NGC 884
GC: M 2, M 15
GN: NGC 6960
PN: M 27, M 57, M 76
G: M 31, M 33, NGC 7317
Collimation (2x), M 57, M 27, collimation, M 27, moon (almost half), NGC 6960 (Eastern/Western Veil Nebula the same! -> error in eVscope data base), M 2, M 15, NGC 7317 (Stephan's Quintet), M 31, M 33, Perseus Double Cluster (H = NGC 869, then Chi = NGC 884), M 76 (missed at first attempt)
|Focused with Bathinov mask||Collimated the eVscope 2 (2x), no recognizable effect;
collimated the eVscope 2 once more (M 27 before and after collimation) with more success
|PN: M 27||Order:
iPad: Collimation, M 27, collimation, M 27
iPhone: M 27
|iPad: 6:20 p.m. -7:00 p.m.; iPhone: 7:00 p.m. - 7:10 p.m.; SQM nearly 19||Session goal: compare the eVscope 2 with the eVscope
Otherwise mainly a collimation check...
|OS: M 45, NGC 869, NGC 884
KS: M 71
G: M 31, M 33, NGC 891, NGC 7331
GN: M 42, M 78, NGC 1977, NGC 2024
PN: M 27
Collimation, M 27, M 71, M 33 (Triangulum Galaxy), M 31 (Andromeda Galaxy), NGC 869 (h Persei), NGC 884 (chi Persei), NGC 7331, NGC 891, break, M 45, M 42, NGC 2024 (Flame Nebula), NGC 1977 (Running Man Nebula), M 78
|iPhone: 6:40 p.m. - 8:25 p.m., after supper once more from 10:45 p.m. - 11:30 p.m.; SQM 19.2-19.3||Session goal: compare the eVscope 2 with the eVscope, particulary later
at M 42
Images appeared too faint on the iPhone 7 (eVscope 2), because the screen was set too dark; after making the screen brighter, the images of both eVscopes resembled each other...
|Jan 6, 2022
|G: M 31, M 33, NGC 891
PN: M 27
Moon (crescent), M 31 (Andromeda Galaxy), M 33 (Triangulum Galaxy), NGC 891, M 27 (clouds)
|5:50-6:11 p.m.: Taking photos (screenshots) when focusing, collimating,
and moving the focus wheel at the eVscope 2.
6:20-7:10 p.m.: Afterwards, I observed a few objects with theVscope 2, until clouds appeared.
|Primarily, I was taking photos (screenshots) when focusing, collimating, and moving the focus wheel at the eVscope 2.|
|Jan 24, 2022
|OC: M 45 |
GN: B 33, M 1, M 42, M 43, M 78, NGC 1977, NGC 2024
G: M 33, M 74, M 77
Jupiter, collimation, M 45 (Pleiades), M 33 (Triangulum Galaxy), collimation, M 33, M 74, M 77, M 1 (Crab Nebula), M 42 (Orion Nebula), M 43 (De Mairan's Nebula), M 78, B 33 (Triangulum Galaxy), NGC 2024 (Flame Nebula), NGC 1977 (Running Man Nebula)
|Observed from 7:10 p.m. to 10:10 p.m. (with supper break), SQM 19.7-20
eVscope and eVscope 2; both iPhones, iPad
|After some collimation attempts (Jupiter, Algenib, Aldebaran) on both telescopes, my aim was to compare both telescopes directly at identical DSO.|
|Feb 5, 2020
|GN: M 42, M 78, NGC 2024||Order:
M 42, M 78, NGC 2024 (with clouds), abort...
|Observed from 8:30 p.m. until about 9:30 p.m. (then suddenly clouds appeared), SQM 19.9
Supper break during the observation of M 78 (long EV time, poor look)..
eVscope 2, iPhone 7
|This was mainly about test photos at different focus settings to see how stars in particular look at smaller and larger misfocus. This should help to see afterwards if old photos have an inaccurate focus. I only collimated a bit, so the photos are not optimally collimated. This should also help in judging photos afterwards, but probably does not help much...
Problem: Tracking error with M 42, EV rarely got beyond 30 seconds, duration time stopped (same problem as Mr. Deeg had with M 42).
|Mar 19, 2022
|GN: M 42, NGC 1977, NGC 2024
G: M 33
|Order: M 42, NGC 1977, NGC 2024, M 33 (except for M 42 everything too dark, darker than on the iPhone screen)||eVscope 2 (first test after repair), iPhone 6s, SQM 14.7 (19:15) - later SQM 19.2-19.5
||Focusing with Bahtinov mask (7:20 p.m.); Sirius did not work, but Rigel was found...
Latest with Flame Nebula clouds appeared, therefore change to M 33; afterwards getting even worse, clouds and and finally some rain drops appeared (abort)
|Mar 20, 2022
|OC: M 35, M 36, M 37, M 38, M 45, M 50
GN: M 42, M 78, NGC 1499, NGC 2244, NGC 2264
G: M 95, M 96, M 105, NGC 2903
|Order: NGC 2024 (Flame Nebula with Alnitak), SQM 17.8-18.3 (up to 10 min, 18.9 at the end), M 78 (19.2-19.5), M 42 (19.5-19.6), Rosette Nebula/NGC2244 (19.6), NGC 2264/Christmas Tree Cluster (19.6), M 1 (19.7), M 35 (19.7), M 45 (19.8), M 36 (19.8), M 37 (19.7), M 38 (19.7), California Nebula/NGC 1499 (19.7-19.8), M 50 (19.7) NGC 2903 (19.6), M 105 (19.6), M 95 (19.5), M 96 (19.5)
||eVscope 2 (second test after repair), iPhone 7, from about 7:15 p.m. on...
|Alnilam for focus and collimation, Alnilam 5-6 min for triangular stars|
Bold: First observation during this observation period; G = galaxy, OC = open star cluster, GC = globular star cluster, GN = galactic nebula, PN = planetary nebula, P = star pattern, DN = dark nebula, C = comet, SN = supernova
Object details can be obtained via the links to the relevant deep sky objects.
|M 1||Crab Nebula||Taurus||GE||More distinct with longer exposure times...|
|M 2||Aquarius||GC||Nice globular cluster, one of the larger ones|
|M 15||Pegasus||GC||Supposedly, it is the best globular cluster in autumn, bright core.|
|M 27||Dumbbell Nebula||Vulpecula||PN||Nice, test object for the collimation|
|M 31||Andromeda Galaxy||Andromeda||G||Too large for the eVscope's field of view|
|M 33||Triangulum Galaxy||Triangulum||G||Very faint, details recognizable only after longer duration in EV mode|
|M 35||Gemini||OC||Large and nice open star cluster|
|M 36||Auriga||OC||Nice open star cluster, smaller than M 35|
|M 37||Auriga||OC||Nice, very dense open star cluster|
|M 38||Auriga||OC||Nice open star cluster, larger than M 36, not as dense as M 37|
|M 42||Orion Nebula||Orion||GN||Larger section and apparently more details than with the eVscope|
|M 43||De Mairan's Nebula||Orion||GE||Part of M 42|
|M 45||Pleiades, Seven Sisters||Taurus||OC||Too large for the eVscope 2's field of view|
|M 50||Monoceros||OC||Nice large open star cluster with many fine and some bright stars|
|M 57||Ring Nebula||Lyra||PN||Ring clearly visible|
|Sagitta||GC||According to Stoyan, an unusually loose globular star cluster.|
|M 74||Pisces||G||Nice spiral galaxy, but in the eVscope just a faint dot/glow...|
|M 76||Small Dumbbell Nebula||Perseus||PN||Small, colorful, rectangular (found in second attempt)|
|M 77||Cetus||G||Spiral galaxy, a bit more to see than with M 74, but in the end just a soft dot in the eVscope|
|M 78||Orion||GE||Faint, but identifiable using two stars; around new moon, I was able to see more details|
|M 95||Leo||G||Small barred spiral galaxy, relatively faint, but the bar is visible. Forms a pair with M 96, but too far away for the eVscope (40').|
|M 96||Leo||G||Spiral galaxy, forms a pair with M 95, but too far away for the eVscope (40').|
|M 105||Leo||G||Bright elliptical galaxy; can be seen together with the galaxies NGC 3384 (elliptical) and the smaller NGC 3389 (spiral) in the same field of view in the eVscope.|
|B 33||Horse Head Nebula||Perseus||DN||Always a challenge; more details after 10 minutes of exposure|
|NGC 869||h Persei, part of the Perseus Double Cluster||Perseus||OC||Both clusters together are too large for the eVscope 2's field of view|
|NGC 884||chi Persei, part of the Perseus Double Cluster||Perseus||OC||Both clusters together are too large for the eVscope 2's field of view|
|NGC 891||Andromeda||G||Seen from the side; nice but faint|
|NGC 1499||California Nebula||Perseus||GN||Nothing to see...|
|NGC 1977||Running Man Nebula||Orion||GR||The Running Man Nebula includes the reflection nebulae NGC 1977, 1973, and 1975 as well as the open star cluster 1981; a dark nebula has the shape of a running man; needs long times in Enhanced Vision mode|
|NGC 2024||Flame Nebula||Orion||GE||Rather faint reddish nebula next to Alnitak; not easy for the eVscope 2|
|NGC 2244||Open star cluster in Rosette Nebula||Monoceros||OC||Nice to see (did not find the embedding nebula, the Rosette Nebula)|
|NGC 2264||Christmas Tree Cluster/Conus Nebula||Monoceros||OC||Saw only the star cluster.|
|NGC 2903||Leo||G||One of the brighter spiral galaxies; unclear why Messier missed it...|
|NGC 6960||Western Veil Nebula||Cygnus||GN||Found NGC 6992, instead...|
|NGC 6992/5||Eastern Veil Nebula||Cygnus||GN||Rather faint|
|NGC 7317||Stephan's Quintet||Pegasus||G||Part of Stephan's Quintet, a group of small galaxies. In the eVscope 2 it is even smaller than in the eVscope...|
|NGC 7331||With NGC 7335, NGC 7337, and NGC 7340||Pegasus||G||The galaxy NGC 7335 and one smaller galaxy can be seen on the photos.|
|Moon||M||Nearly full moon|
|Jupiter||P||Only for focusing...|
G = galaxy, GaC = galaxy cluster, OC = open star cluster, GC = globular star cluster, GE = galactic emission nebula, GR = galactic reflection nebula, DN = dark nebula, C = comet, PN = planetary nebula, SP = star pattern, HII = HII region (emission nebula in other galaxies)