Scopes: Meade SN6, 10" Dob, Meade LS6, 5" reflector, 8" reflector, 102GT
Mounts: LXD75 and LXD55
Camera: SBIG 8300M, Baader 7nm Ha, OIII, SII, LRGB
Jc ATM 10" F6.1, 1/25th wave spec (max wavefront error +/- 1/12.6 in zone 4 of 6, sodium light ), 6" F7 spec, 127mm F9.4 achro Refractor, Criterion DX8, 10 x 50 bin, SP mount/Synscan goto. ETX80 (finder) Canon 20D, PST DSI 1, Butenschön 125mm F13.4 refractor, diy spectroscope and curiosity
Quote:I find it a bit strange that 3 weeks ago I didn't notice anything. I shot M81 and some other targets in Ursa Major and did not have any problems to get to 30 seconds of exposure time.