|
|||||||
|
|
|
|||||
|
|
|||||||
Basic object information
Name: M 90
Type of object: Galaxy
Magnitude: 9.5
Surface brightness: 13.1 mag/sq arcmin
Size: 9.9'x4.4'
Position angle: 23°
Object classification: Sbab
Description: pL,bMN
Notes: IC 3583 @ 6.0';vseBN in B diff bar w much dark matter
Catalog position for epoch J2000.0
Right ascension: 12h 36m 50.0s
Declination: +13° 09' 48"
Constellation: Virgo
Observer: Iiro Sairanen
Obs. place: Ahola, Joutseno, Finland
Date/Time: 2/3.4.2003 0.27
Telescope: 16" Dobson f 4.5
|
Magn: 244x |
Filter: |
|
Field: 13' |
NE Lim.mag: 6,1 |
|
Background sky: 3 |
Seeing: 2 |
Height: 41°
Visuality: I
Weather: -10°C
Pitkä galaksi, jolla tähtimäinen ydin. Ytimen länsipuolella tumma viiva. Pohjoisessa oleva IC 3583 jäi juuri ja juuri kentän ulkopuolelle.