Sharpless 135 is the bright nebula above left of centre. The bright nebula lower right are (from left to right) LBN 486, LBN 489, and LBN 491

12/12/12 x 10 min each of RGB, 36x20min H-Alpha
Camera: Moravian G4 (16803) w Gen II Astrodon RGB and H-Alpha
Scope: Astrophysics AP155EDF Refractor w Focus Boss II
Mount: Paramount MX
Guiding SBIG ST402ME attached to a Borg 60mm guidescope

PixInsight process:
RGB: combine, gradient correction, SPCC, BlurX, MAS, HT, masked Sat Boost;
H-Alpha: gradient correction, BlurX, StarX then on the starless portion, MAS, HT then masked LHE.
Lucknow, Ontario
August 2022
Reprocessed August 2026