date
(yy/mm/dd)
time
(UT)
exp.
time (min/sec)
camera
/ telescope
film
/ CCD
filter
filter
image
size
Processing
during the observation the comet moved with 6.7" / min
Ort:
Herkenrath (G11)
© Bernd Klemt, Sternwarte Herne
2021/02/11
19:45
47
x 20 sec
Moravian
G2 8300 Mk II
12" -Ritchey-Crétien f/8 with focal reducer @ f/5.7
Moravian G2-8300 Mk II
Johnson/Cousins Rc
9.5'
x 7.5'
0.64"/px
Mira
Pro:
dark, flat
Astrometrica:
stack (sum) on comet
PS:
crop, contrast stretch