Galaxy
Messier 108

Object :	M108
Coordinates/Direction :	RA: 11h11m, DEC: +55^o40'
Object size :	8.7' x 2.2'
Object magnitude :	10.0
More to know :	Wikipedia: https://en.wikipedia.org/ wiki/ Messier 108

Date :	2024-11-18
Time (UT) :	22:03 to 23:56

Mount :

Lens/telescope :	Pentax 645 FA 300 mm ED f/4 (medium format lens)
Corrector/Barlow :	-
Field (FOV) :	6.8x4.5^o (full frame) before crop

camera :	Nikon D800, QE=0.56, full frame, 36 Mpixel, 14 bit
camera temperature:	- , no temperature sensor
Film/CCD :	Raw, NEF
Filter :	none

Control system:

Mount, camera, focus, guide (Ekos) controlled by KStars/Ekos Linux, 64-bit

Exp. time :	90x60 seconds at ISO400
Image process tool :	Siril, Gimp, Irfanview
Processing :	flat, astrometric col calibrated
Weather :	Moon Phase 91%, clear sky, -1^o C

Site :

Sweden, Stockholm, Hagsätra. Bortle 9
Free view Az: 20^o to 90^o, 165^o to 185^o, Alt: 20^o to 55^o

Comment :

Another night, more exposures but almost full Moon.

(Click on image to get one in full resolution in a new window)

Date :	2024-10-30
Time (UT) :	21:24 to 22:24