John McDonald

Uploaded 30-May-09

Taken 29-May-09

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Info

Photo Info

Dimensions1200 x 800

Original file size224 KB

Image typeJPEG

Color spacesRGB

Date taken29-May-09 23:52

Date modified30-May-09 22:22

Shooting Conditions

Camera makeCanon

Camera modelCanon EOS REBEL T1i

Focal length0 mm

Exposure240s at f/1

FlashNot fired, compulsory mode

Exposure bias0 EV

Exposure modeManual

Exposure prog.Manual

ISO speedISO 3200

Metering modePattern

M13 - one 240s exposure

This is from a workshop session at the Victoria Centre Observatory.
Details
Conditions - clear warm with poor seeing.
Equipment 14" Meade SCT on Paramount ME with starshoot autoguider on 4" refractor. Camera is Canon T1i.
Exposure - 240s at ISO 3200.
Processing - none other than brightness and contrast adjustment in Photoshop.