Comet Schwassmann-Wachmann 73P / B

Full resolution (1600x1200 px  200kB)

Object data

Object type: comet
Size: -
Magnitude: -
Constellation: Her
Distance: 0.11 AU  (16.5 Mio km)

Exposure data

Date: 2006-05-04    02:12 - 2:55 MEZ  
Location: Schlierbach / Austria (400m)
Telescope: TeleVue NP101 (4" Apo f=540mm)
Camera: ST2000XM with CFW8 and SBIG Filters
  Binning: L 1x1  /   RGB 2x2
  Exposure time: L 10x60s / R 10x60s / G 10x30s / B 10x30s
Exposure time total: L 10min    /   RGB 20min


Because of the fast movement of the comet, two separate images were created using the same raw data:

The first image was registered to the stars.

The second image was registered to the comet.

Finally, both images were combined in Photoshop.