M20  -  Trifid Nebula

Full resolution (1600x1200 px  500kB)

Object data

Object type: emission and reflection nebula
Size: 28'
Magnitude: 6.3
Constellation: Sgr
Distance: 5200 Ly

Exposure data

Date: 2005-07-03/04
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 9x10m / R 4x10m / G 4x5m / B 6x5m
Exposure time total: L 90 min    /   RGB 90 min

M21 - open cluster in NE

LDN232  - dark nebula in E

LDN237 - dark nebula in N