Exposure data
Date:
Location:
Telscope & Camera:
Mount:
Exposure time:
Exposure time total:
Notes:
L 150x10min / R 52x10 min, G 52x10 min, B 56x10 min
51 h 40 min
data acquired remotely using CCD Commander
“Mizar”
Takahashi Epsilon 130ED, f/D = 3.3
G2-8300 Moravian, Baader LRGB filter
Object data
Object type:
Size:
Magnitude:
Constellation:
Distance:
Notes:
UGC 9749 (Ursa Minor Dwarf) wide field in Ursa Minor
10micron GM2000 HPS II
Dwarf Galaxy (dSph)
30‘ x 19‘
10.6 mag (V)
UMi
2018-05-05+06+10+11+15+16+17+18 + 2018-06-09+10 +
2018-08-06++10+11+14 + 2019-02-04+06+08+12+13+14+15 +
2019-03-122019-04-05+08+09+29
220 000 ly
The brightest stars of UGC 9749 have a magnitude of about 19-20 mag.
UGC 9749 has a radial velocity of -247 km/s and is therefore approaching
the Milky Way.
Its true size is about 1900 x 1200 light years.