w1800 20161030 M45 A7Ra ISO3200 14x30s

 
ObjectM45 - Pleiades incl. NGC1435/1432 Nebulae
Constellation: Taurus
Position: RA 3h 47m 24s DEC +24° 07′ 00″
Apparent Size: 110 arcmin
Apparent Magnitude: +1.6
Distance (average) 444 ly
  
Photo Datas 
Date 30.10.2016, 20:50 UTC
Location Knottenried/Oberallgäu, 1002m ASL
GPS: 47°36’13“ N, 10°11’24“ E
Sky darkness SQM-L Zenit 20.95mag/sqrsec, Object 20.85mag/sqrsec
Ground Temp./Air Pressure -2.0°C /1035mbar
Thermal sky temp./weather  -52.1°C Zenit
Seeing  6/10
Telescope Canon f/2.8 300mm L IS USM I
Camera Sony A7Ra mod @ T sensor=6.5°C
Expose frames ISO 3200, RAW 14x30s, 5 darks
Total expose
7 min.
Filter no
Mount HPS 10Micron GM 3000
Guiding Cam no
Software DSS 3.3.4, Photoshop CC
Remarks  

C 2016 Peter Cerveny