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Posts Made By: Dennis Persyk

August 21, 2004 10:51 PM Forum: CCD Imaging and Processing/Solar System

East Veil

Posted By Dennis Persyk

I imaged the East Veil near NGC 6992 in RGB 32:32:32 with 4 minute unguided subframes.

Takahashi E160 f/3.3 astrograph, AP1200GTO, MX716, and TrueTechnology filters.

Images at
http://home.att.net/~dpersyk/new.htm

I have included a simulated eyepiece view. I was surprised to see a hint of the Veil in the C-11 at 97X without the aid of a filter. My VLM was only about 4.5.

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL


August 28, 2004 04:14 PM Forum: CCD Imaging and Processing/Solar System

Comet Q4 amongst 6 Galaxies

Posted By Dennis Persyk

On Aug 22 at 0305 UT, C/2001 Q4 NEAT was nestled amongst 6 galaxies near the Big Dipper.

Takahashi E160 f/3.3 astrograph, AP1200GTO, and MX716 camera. I have posted a simulated eyepiece view as well as a planetarium program screen shot to illustrate the position of the comet in relation to the surrounding galaxies.

Images at
http://home.att.net/~dpersyk/new.htm

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL


September 5, 2004 04:12 PM Forum: CCD Imaging and Processing/Solar System

NGC 7331 and Neighbors

Posted By Dennis Persyk

I imaged NGC 7331 and several surrounding galaxies. Takahashi E160 f/3.3 astrograph, AP1200GTO, and MX716 camera. I have posted a planetarium program screen shot to illustrate the positions of the surrounding galaxies.

Images at
http://home.att.net/~dpersyk/new.htm

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL


September 12, 2004 01:56 AM Forum: CCD Imaging and Processing/Solar System

New Comet C/2004 Q1 Tucker

Posted By Dennis Persyk

2004 Q1 Tucker is a newly-discovered 12th magnitude comet in Cetus. Comet Tucker was discovered on CCD images by Roy A. Tucker of Tucson Arizona on August 23. This comet should brighten until around November 1, when it should be brighter than 11th magnitude and be in Andromeda. Throughout this time it will be well placed for evening observation from both the northern and southern hemispheres.

Equipment: Takahashi E160 f/3.3 astrograph, AP1200GTO, and MX716 camera.

I have posted a simulated eyepiece view as well as a short movie depicting the apparent motion of the comet as it roars though Cetus. Please take a look at this new comet. It will be getting brighter.

Images (modem-friendly) at
http://home.att.net/~dpersyk/new.htm

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL



September 18, 2004 07:45 PM Forum: CCD Imaging and Processing/Solar System

IC5146 Cocoon Nebula

Posted By Dennis Persyk

I imaged IC5146, the Cocoon Nebula for 72minutes.

The Cocoon Nebula is often referred to as a "stellar nursery", as it is the birthplace of forming stars.

This nebula contains all three of the major types of nebulosity: emission, reflection, and absorption. The red color is due to recombination of hydrogen ions. The blue color arises from the reflection of blue light from the central star. The dark’ obscuring lines are dust lanes, rivers of dust that block the light from getting out, and are the absorption regions of the nebula.

I actually saw a hint of the nebula through the eyepiece of the scope. An eyepiece view is included on my New Images page link below.

The image is an RGB of 24 minutes per component, each component a sum of 4-minute unguided frames. The scope is a Takahashi E160 f/3.3 astrograph, mount a AP1200GTO, and camera an MX716. Please take a look.

Images at
http://home.att.net/~dpersyk/new.htm

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL


October 1, 2004 04:20 PM Forum: CCD Imaging and Processing/Solar System

DWB-111 The Propeller Nebula

Posted By Dennis Persyk

DWB-111, a/k/a the Propeller Nebula, is a faint emission nebula in Cygnus. I imaged an LRGB of 50 minute components comprising 5-minuted unguided subframes. Total was 200 minutes, all in one night. Takahashi E160 astrograph, MX716 camera and AP1200GTO mount.

The DWB catalog stands for Dickel, Wendker, and Bieritz, who have compiled a somewhat obscure (at least for me) catalog of faint emission nebulae in the Cygnus X region.

Image at
http://home.att.net/~dpersyk/new.htm

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL



October 7, 2004 04:17 PM Forum: CCD Imaging and Processing/Solar System

Comet C/2001 Q4 NEAT

Posted By Dennis Persyk

Comet Q4 has now sprouted a 27 arc-minute long tail.

I have a new web page illustrating the comet, its orbit and isophotes.

Images (modem-friendly) at
http://home.att.net/~dpersyk/new.htm

Equipment: Takahashi E160 f/3.3 astrograph, AP1200GTO, and SXV-H9 camera

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL


October 17, 2004 05:48 PM Forum: CCD Imaging and Processing/Solar System

Sh2-155 Cave Nebula

Posted By Dennis Persyk

Sharpless 2-155, a/k/a the Cave nebula, is a very faint emission nebula in Cepheus. I was able to coax out a fair LRGB image with just 112 minutes total. AP1200 GTO unguided, E160 astrograph f/3.3, MX716 camera with True Technology Micro Filter holder and filters.

Image at
http://home.att.net/~dpersyk/new.htm

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL



October 25, 2004 05:39 PM Forum: CCD Imaging and Processing/Solar System

(OT) Marry Me, Megan

Posted By Dennis Persyk

This image has nothing to do with astronomy. I was so captivated by the subject I just had to photograph it!

Image at
http://home.att.net/~dpersyk/new.htm

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL


October 31, 2004 05:48 PM Forum: CCD Imaging and Processing/Solar System

Sh2-101

Posted By Dennis Persyk

Sharpless 2-101 is a very faint emission nebula in Cygnus. I was able to coax out a fair LRGB image with just 112 minutes total, in 4-minute unguided segments. AP1200 GTO unguided, E160 astrograph f/3.3, MX716 camera with True Technology Micro Filter holder and filters.

Image at
http://home.att.net/~dpersyk/new.htm

Thank you for visiting my site.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL