Sqm-L at zenith: 21.2- 21.3.
Instrument: Dob 10" F5
Binoviewer: Linear (Omegon)
Eyepieces: 20 mm Sterling Plossl (62x; 0.8⁰) and Chinese Super Plossl 15 mm (83x; 0.6⁰). I had 12 ED for 104x but the seeing was not enough.
I start observing with the 20 mm Pl.
C 10/ NGC 659/ NGC 654. NGC 659 is the smallest and the one where I see the fewest stars. It is shaped like a closed crown or small circle. NGC 654 is bigger and I see quite a few more stars (~20). It is shaped like an inverted triangle. C10 is much more enjoyable: bigger, more and brighter stars.
I make an attempt, just in case, to see IC 10, the small galaxy between M31 and M33. Unsuccessfully. SB too low, I imagine.
To make up for it, I take a look at WZ, the carbon star. Is beautiful. In the finder (14x50) the bluish companion star (m 8.3) is very close, forming a charming pair.
NGC 7790-88. Not much for this aperture/ sky. A dozen stars, the first and 6-8 the second.
Carolina's Rose, impressive as always, tonight seems to me more like a brain in the dark. Curious...
The Perseus double cluster is too large for 0.8º. It fits in the FOV but too narrow for my taste. Although impressive, of course.
A look at NGC 1444. Just a handful of stars, but the brightest one (don't know if it belongs to the cluster) is a nice double. Actually, it's triple, but I didn't see the third one that night.
M35/ NGC 2188. The mother and the child. At 62x I see few stars in the son, but very concentrated.
M1 is easily seen in the finder. In the BW I can't see any detail that night, although I don't stay long either.
The Christmas tree cluster reminds me more of a bodybuilder with two dumbbells in his hands. Enormous.
At this point I switched to the 15mm Pls and left them on until the end of the night.
I see the dark band in M82 and the silhouette of a spiral arm in M81 (the other one was not clear to me).
C 7 was already visible in the finder. Little detail in the telescope. Another low SB galaxy.
Leo's triplet splendid. I saw mottling on the two Messiers, but I couldn't distinguish the dust lane from the NGC.
Recalling a thread on the Deep Sky forum, I took a look at Leo's second triplet. The weaker component required averted vision, but I saw it easily. A really nice image, although I'll stick with the "other" triplet.
M 67 is fine, but my mistake was, immediately afterwards, to go to the three Messiers of Auriga. Wow... My favorite M 37, reminded me a little of Caroline's Rose, with those dark lines, infiltrating between the stars like rivers of darkness...
I end the night with M51. It wasn't very high yet and my eyes were very tired at that time. The spiral arms were visible... but not clearly visible. You know what I mean. More magnification, more height above the horizon, and fresher eyes would have helped.
All night, I only removed the BWs to confirm M81 and M51. The truth is that the image gained something, although not much.
Edited by Takuan, 19 December 2023 - 01:09 PM.