Eastern Veil Nebula in Cygnus (IDAS LPS filter at Full Moon)

The Eastern Veil supernova remnant in Cygnus.

 

Taken over 2 nights, 17/18 and 18/19th September 2024 during Full Moon.

 

Technical Card:

 

480/80mm f/6 Altair Starwave triplet refractor.

Altair Planostar 1.0 x FF with 2 inch IDAS P3 LPS filter

ZWO ASI2600MC; 42 x 360 second subs

Gain 100, Offset 25, Temp = -15c.

 

EQ6 pro mount with Rowan belt drives. EQMOD control. Primalucelab Sesto Senso electronic focuser.

 

Session control; SharpCap 4.1 on laptop with WiFi link to IPad.

Automated plate solving GOTO. (4s at gain 578)

Automated FWHM multistar focusing every 16 frames. +/- 500 steps at 4s and 578 gain.

 

20 dark frames

50 flat frames (electroluminescent panel A), 2000ms exposure @ 0 gain).

 

Post processed in PixInsight 1.8.9.2

Plug-in modules: Generalised Hyperbolic Stretch, Blur XTerminator, Star XTerminator, Noise XTerminator

 

Light Pollution and Weather:

SQM (L) not recorded - 100% Moon

Session 1: clear. Session 2: ended by high cloud.

 

Polar Alignment:

Resumed from previous Park.

Error measured by PHD2= 3.6 arc minute.

RA drift + 3.16 arcsec/min

Dec drift +0.81 arcsec/min

 

Guiding:

PHD2 guiding with ZWO ASI290mm/Altair Starwave 206/50mm guider. Every 5th sub dithered.

RA RMS error 0.85 arcsec

Dec RMS error 0.78arcsec

 

Astrometry:

(Initial integrated image)

Resolution: 1.609 arcsec/px

Rotation: -91.274 deg

Focal distance: 481.91 mm

Pixel size: 3.76 um

Field of view: 2d 45' 28.1" x 1d 46' 13.0"

Image centre:

RA: 20 56 57.348

Dec: +31 42 45.39

Done