Messier 91
Messier
Object data |
|
Object type: |
M91 (NGC 4548) |
Size: |
5.4'x 4.3' |
Magnitude: |
10.1 |
Constellation: |
Coma berenices |
Distance: |
55 .10^6 LY |
|
|
Exposure data |
|
Date, time |
2011-04-13 ~03.00 hour |
Julian day number |
2455 664 |
Location: |
Zuidlaren, Holland |
Telescope: |
Takahashi FSQ-106ED + exender-Q 1,6x |
Camera: |
Canon 350D (mod) |
Filters: |
L: 1x300 + 5x180 + 5x120 sec |
R: - | |
G: - | |
B: - | |
Temperature outside: |
4,3 Celcius |
Temperature CCD: |
- |
Binning: |
- |
SQM | 19.91 |
Field of view | 89' x 57' |
Processing tools: |
IP,CS3, GradX |
Imaged by: |
Gerard van den Braak |
Notes: |
moon 67% |