Copeland Septet Group of Galaxies - Sketch

Object details: Copeland Septet group of galaxies. Constellation: Leo.
Location and conditions: Negev desert, Israel, ~6.7 NELM, bortle 2-3, ~zenith.
Date and Time: 14-15/04/2021 , 00:00 (UT+3)
Instrument: VX12 F/4 Newtonian, 5mm Pentax XW (0.3°).
Drawing details: White pencil sketch on a black paper, made while observing with telescope under a red light. Scanned, and processed in Photoshop. The brightness is slightly exagerrated for presentation purposes. Observer: Michael Vlasov.

Objects data and observer's notes:

NGC 3753: spiral galaxy, magnitude: 13.6m, s.b: 13.2
NGC 3754: spiral galaxy, magnitude: 14.3m, s.b: 12.0
NGC 3750: E-S0 galaxy, magnitude: 13.9m, s.b: 13.1
NGC 3751: E-S0 galaxy, magnitude: 13.9m, s.b: 12.7
NGC 3748: S0 galaxy, magnitude: 14.8m, s.b: 13.2
NGC 3746: SBab Ring galaxy, magnitude: 14.2m, s.b: 13.5
* NGC 3745: wasn't visible (15.2m)

Original drawing: