Astronomy Images Taken by G2CCD Cameras

Author P. and P. Cagas, V. Pribík

Camera G2-3200

Telescope Newton 26.5 cm f/8

Date February 17^th 2007

Filter Exposure Binning

Clear 27 min 1 × 1

Red 22 min 2 × 2

Green 21 min 2 × 2

Blue 20 min 2 × 2

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date January 24^th, 2006

Filter Exposure Binning

Clear 50 min 1 × 1

Red 20 min 2 × 2

Green 20 min 2 × 2

Blue 25 min 2 × 2

M3

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date January 25^th, 2006

Filter Exposure Binning

Clear 5.5 min 1 × 1

Red 5 min 2 × 2

Green 8.5 min 2 × 2

Blue 12.5 min 2 × 2

M13 Hercules Globular Cluster

Author P. and P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date July 7^th, 2007

Filter Exposure Binning

Clear 10 min 1 × 1

Red 5 min 1 × 1

Green 5 min 1 × 1

Blue 5 min 1 × 1

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date March 19^th, 2006

Filter Exposure Binning

Clear 5 min 40 sec 1 × 1

Red 5 min 20 sec 2 × 2

Green 7 min 2 × 2

Blue 9 min 2 × 2

M16 Eagle Nebula

Author P. and P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date July 7^th, 2007 (luminance)

July 15^th, 2007 (color)

Filter Exposure Binning

Clear 41 min 1 × 1

Red 37 min 2 × 2

Green 30 min 2 × 2

Blue 35 min 2 × 2

M20 Trifid Nebula

Note the extremely short luminance exposure, increasing overall S/N ratio and degrading image dynamic range. Such short exposure was caused by very low declination of M20, which resulted to short time for which this object occurs above local horizon.

Author P. and P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date July 21^st, 2007

Filter Exposure Binning

Clear 5 min 1 × 1

Red 20 min 2 × 2

Green 20 min 2 × 2

Blue 20 min 2 × 2

M27 Dumbbell Nebula

Author P. and P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date July 4^th, 2006

Filter Exposure Binning

Clear 17 min 1 × 1

Red 15 min 1 × 1

Green 20 min 1 × 1

Blue 21 min 1 × 1

M42 Great Orion Nebula

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date January 25^th, 2006

Filter Exposure Binning

Clear 146 s (73 × 2 s) 1 × 1

Red 150 s (30 × 5 s) 2 × 2

Green 150 s (30 × 5 s) 2 × 2

Blue 330 s (33 × 10 s) 2 × 2

M51 Whirlpool Galaxy

Author P. and P. Cagas

Camera G2-3200

Telescope Newton 26.5 cm f/8

Date May 12^th, 2007 (luminance)

May 19^th, 2007 (color)

Filter Exposure Binning

Clear 45 min 1 × 1

Red 35 min 2 × 2

Green 30 min 2 × 2

Blue 23 min 2 × 2

M57 Ring Nebula

Author P. and P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date July 4^th, 2006

Filter Exposure Binning

Clear 4.5 min 1 × 1

Red 8 min 1 × 1

Green 7 min 1 × 1

Blue 10 min 1 × 1

M66

Author P. a P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date April 26^th, 2008

Filter Exposure Binning

Clear 48 min 1 × 1

Red 36 min 2 × 2

Green 30 min 2 × 2

Blue 36 min 2 × 2

M76 Little Dumbbell Nebula

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date January 28^th, 2006

Filter Exposure Binning

Clear 60 min 1 × 1

Red 22 min 2 × 2

Green 21 min 2 × 2

Blue 20 min 2 × 2

M81 Bode's Galaxy

Author Pavel Cagas (luminance)

Kamil Hornoch (colors)

Camera G2-3200

Telescope Newton 26 cm f/8 (luminance)

Newton 35 cm f/4.7 (colors)

Date April 11^th, 2007 (luminance)

March 14^th, 2007 (colors)

Filter Exposure Binning

Clear 150 min 1 × 1

Red 17 min 2 × 2

Green 20 min 2 × 2

Blue 27 min 2 × 2

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date January 28^th, 2006

Filter Exposure Binning

Clear 61 min 1 × 1

Red 40 min 2 × 2

Green 41 min 2 × 2

Blue 40 min 2 × 2

M82 Cigar Galaxy

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date January 28^th, 2006

Filter Exposure Binning

Clear 58 min 1 × 1

Red 25 min 2 × 2

Green 25 min 2 × 2

Blue 25 min 2 × 2

M97 Owl Nebula

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date January 27^th, 2006

Filter Exposure Binning

Clear 60 min 1 × 1

Red 25 min 2 × 2

Green 28 min 2 × 2

Blue 61 min 2 × 2

M101 Pinwheel galaxy

Author Martin Myslivec

Camera G2-3200

Telescope Newton 18,5 cm f/3.3

TeleVue Paracorr

Date April 25^th, 2009

Filter Exposure Binning

Luminance 60 min 1 × 1

Red 30 min 2 × 2

Green 30 min 2 × 2

Blue 30 min 2 × 2

NGC Objects

NGC891

Author P. and P. Cagas

Camera G2-3200

Telescope Newton 26.5 cm f/8

Date November 11^th, 2006 (luminance)

February 17^th, 2007 (color)

Filter Exposure Binning

Clear 90 min 1 × 1

Red 24 min 2 × 2

Green 19 min 2 × 2

Blue 20 min 2 × 2

NGC 2392 Eskimo Nebula

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date February 27^th, 2006

Filter Exposure Binning

Clear 15 s 1 × 1

Red 20 s 2 × 2

Green 20 s 2 × 2

Blue 20 s 2 × 2

NGC 6888 Crescent Nebula

Author P. and P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date July 25^th, 2006

Filter Exposure Binning

Clear 30 min 1 × 1

Red 20 min 2 × 2

Green 7.5 min 2 × 2

Blue 9.5 min 2 × 2

NGC 6946

Author Vaclav Pribik

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date August 18^th, 2006

Filter Exposure Binning

Luminance (IR-block) 43 min 1 × 1

Red 20 min 2 × 2

Green 20 min 2 × 2

Blue 20 min 2 × 2

NGC 7048

Author Vaclav Pribik

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date June 13^th, 2006

Filter Exposure Binning

Luminance (IR-block) 14.5 min 1 × 1

Red 14.5 min 1 × 1

Green 19 min 1 × 1

Blue 20.5 min 1 × 1

NGC 7331

Author Pavel Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date September 23^rd, 2006

Filter Exposure Binning

Clear 90.5 min 1 × 1

Red 34 min 2 × 2

Green 38 min 2 × 2

Blue 46 min 2 × 2

NGC 7635 Bubble Nebula

Author P. and P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date September 9^th, 2006

Filter Exposure Binning

Clear 91 min 1 × 1

Red 40 min 2 × 2

Green 35 min 2 × 2

Blue 32.5 min 2 × 2

Other Deep-sky Objects

IC1369 Elephant Trunk

Author P. a P. Cagaš, V. Pøibík

Camera G2-1600

Telescope Newton 26,5 cm f/8

Date October 26^th, 2006

Filter Expozice Binning

Clear 51 min 1 × 1

Red 42 min 2 × 2

Green 12 min 2 × 2

Blue 22 min 2 × 2

Solar System Objects

(134340) Pluto

Author P. and P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date July 7^th, 2007

Filter Exposure Binning

Clear 4 min 1 × 1

Author P. and P. Cagas

Camera G2-1600

Telescope Newton 26.5 cm f/8

Date July 15^th, 2007

Filter Exposure Binning

Clear 4 min 1 × 1

(136199) Eris (2003UB₃₁₃)

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date January 27^th, 2006

Filter Exposure Binning

Clear 15.5 min 2 × 2

Author Kamil Hornoch

Camera G2-0400

Telescope Newton 35 cm f/4.7

Date January 29^th, 2006

Filter Exposure Binning

Clear 16.5 min 2 × 2

Messier Objects

M1 Crab Nebula

M3