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The small planetary nebula IC 2149 was discovered in 1906 by the Scottish-American astronomer Williamina Fleming photographically and visually-spectroscopically with an 8 inch telescope. She was an assistant to Edwart Pickering, an astronomy professor at Harvard University. The physical structure of this bipolar planetary nebula is not yet completely established. It could be a bright ring of gas that we are looking at from the side, or it could be a jet extending northeast and hitting a shock front. The distance to this PN is estimated to be about 1.1 kpc. (ref: www.deepskycorner.ch/obj/ic2149.en.php)
Observation data: J2000.0 epoch
Right ascension: 05h 56m 23.862s
Declination: 46° 06′ 17.5″
Distance: 3586 ly
Apparent magnitude (V): 10.6
Apparent dimensions (V): 12″
Constellation: Auriga
Tech Specs: Orion 8” RC Telescope, ZWO ASI2600MC camera running at -10F, 81 Minutes using 60 second exposures, Celestron CGEM-DX pier mounted, ZWO EAF and ASIAir Pro, processed in PixInsight. Image Date: November 7, 2024. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
Celestron SCT8i
ZWO ASI120MC-S
Celestron CGEM
Frames: 5000 / 500 (10%)
Df: 2000 mm.
F: 10
Captura: Firecapture
Procesado: Autostakkert + Registax + Fitsworks + Pixinsight 1.8
9 Octubre 2020
Guillermo Cervantes Mosqueda
Observatorio Astronómico Altaír
Poncitlán Jalisco México
Celestron C8 SCT with Starizona Hyperstar at F/1.9 Baader UV-VIS L filter
ASI294MC Pro camera 120 gain 30 and 60 sec subrames
2hr 21 min total integration time
Siril preprocesing PI procesing and Photoshop, Topaz tweaks
Celestron C11, TeleVue 4x Powermate, ZWO-ASI174MM
- 1 video stacked, no cropping, wavelets were applied in Registax 6, levels and slight noise reduction in photoshop 2021 - its not often that I use the 4x TeleVue with the C11, for lunar- but it was a very clear, still night, for a "rare" change !
After a few days of hopeless imaging conditions (the very low altitude - doesn't help of course!) a short period of comparatively steady seeing arrived on the evening of the 5th. This allowed me to image Mars before it disappeared behind a roof!
Imaged with a Celestron C8 and a ZWO120MM with RGB filters.
Very pleased to get this image in such difficult conditions. At least in 2020 Mars should be at 40° altitude!... a bit of a wait then!
Captured with a Celestron Nexstar 6SE with its native ALT-AZ mount using 703 x 5sec exposures. Used a ZWO ASI294MC Pro camera cooled to -10 C with the gain boosted from its unity gain of 120 to a higher gain of 250 to help the camera and setup do the work of a longer exposure time. Stacked in Deep Sky Stacker and post processed in Pixinsight. ALT-AZ mount and no guiding.
QHY23M & 11" Celestron EdgeHD
R- 3x600 (no bin)
G- 3x600 (no bin)
B- 3x600 (no bin)
Ha- 3x600 (2x2 bin) I have more info on my blog: astrochuck.blogspot.com/2014/05/new-imaging-gearqhy23m-fi...
Mars approaching the moon on Wednesday night. Stack of ~500 video frames taken with an iPhone 13 Pro attached to a Celestron NexStar 8SE telescope.
Equipment-
Celestron NexStar 6SE
Zwo Asi224mc with IR cut filter
Zwo ADC
Tele Vue 2.5x Powermate
FireCapture for ADC tuning
SharpCap for capturing
Jupiter 2 minute video, exp-3.0ms gain-300
La sombra de Io flota sobre Júpiter y la GMR. Apilado de 3000 frames, Webcam JWin + Celestron Omni 102 (102/1000mm) + barlow X-Cel x2, montura CG-4. 05-06-2020 (5:53 y 5:59am)
Celestron NexStar 6SE
Tele Vue 2.5x Powermate
ZWO asi224mc with IR cut filter
ZWO ADC
FireCapture for ADC tuning.
3x 2 minute captures in SharpCap
Exposure- 2.80ms Gain- 340
Processed in PIPP, AutoStakkert3, RegiStax Wavelets and finished in Lightroom.
Great Globular Cluster in Hercules: M13 (NGC 6205)
Exposure: 38.5 minutes
stacked the best 578 light frames (4s each @ 198 gain) out of 709
+ 5 dark frames
Telescope: Orange 1977 vintage Celestron C8 (203 F/10 SC)
Mount: EQ5 with ST4 hand controller (no GoTo)
Reducers: Celestron 0.63x + Svbony 0.50x (@0.74x)
Camera: QHY5III462C Color (@FullHD RAW16)
recording Visible + Near Infrared light (no filters)
Guide: 70/280 Guidescope + QHY5L-II Color Camera
Recording scale: 0.634 arcsec/pixel (plate solved)
Equivalent focal length ≈ 950mm F/4.7
Plate Solving data:
Center (RA, Dec):( 250.412, 36.456)
Center (RA, hms): 16h 41m 38.974s
Center (Dec, dms): +36° 27' 21.953"
Size: 14.4 x 11.2 arcmin
Pixel scale: 0.634 arcsec/pixel
Orientation: Up is -92.7 degrees E of N
Recording: SharpCap 4.0 (Live Stack mode)
Guiding: PHD2 2.6.11
Stacking/Alignment: AstroSurface T3
Final Elaboration/Crop: GIMP 2.10.30
Genova, Italy (29 Apr 2022 - 00:50 GMT+2)
Celestron NexStar 6SE, Tele Vue 2.5x Powermate, Zwo Asi224mc. 10K frames captured in SharpCap, stacked 50% in AutoStakkert, sharpened in wavelets and finished in Lightroom.
Celestron C11, ZWO-ASI174MM, AVX Mount
The Moon was being eclipsed by the chimney stack, and I only just managed to grab all the data needed to make this image - the brightness was dropping quickly on the last 2 vids, and the heat haze (from my roof) was also causing some clarity issues !
Thirty minute exposure with Celestron Origin and L-Quad-Enhance filter. Bortle 8-9 sky just south of LAX.
Celestron C8 with TeleVue 5xPowermate ZWO ASI294MC Pro camera
Very challenging seeing during the night
Celestron Edge HD 925 with 3x Barlow
Captured with a FLIR Point Grey Flea3 color camera at 48 fps
Each video had the best 132 of 600 frames stacked in AutoStakkert. After a few tweaks in PixInsight, stacked images were derotated and combined in WinJUPOS. Final composition edited in PixInsight and Photoshop.
With a hurricane bearing down on Florida, the Space Coast was still able to see the International Space Station and astronauts Paolo Nespoli, Sergey Ryazanskiy and Commander Randy Bresnik meet the Full Corn Moon of September 6, 2017, seen here from Titusville, Florida, just across the river from NASA's Kennedy Space Center.
The transit occurred at 3:39 am, and it lasted for 1.06 seconds.
Of note, at least to me: this is just 36 minutes after the Moon was 100% illuminated. In other words, this is probably the fullest Moon I've ever photographed, and it happens to have the ISS passing in front of it.
Also, the forecast called for mostly cloudy skies, and in fact, when I woke up (at 2 am), the skies above my house (45 minutes away from the centerline) were completely cloudy. But, the sky above Titusville was clear. And, full of mosquitos.
Technical details: This was shot using a Canon 5D4 in 4k video mode at 29.97fps at ISO800 and 1/2500 sec. For optics, I'm using a Celestron 8" telescope with a focal reducer. 34 individual frames (each of the ISS frames and two frames of just the Moon) were extracted, processed in Lightroom, combined using the "darken" mode in Photoshop, and then final adjustments were made (again) in Lightroom.
To plan the transit, I used transit-finder.com and calsky.com. Details of the transit (from transit-finder.com) are:
"Wednesday 2017-09-06 03:39:01.52 • Lunar transit
ISS angular size: 45.75″; distance: 603.91 km
Angular separation: 0.0′; azimuth: 226.5°; altitude: 40.6°
Center line distance: 0.03 km; visibility path width: 5.55 km
Transit duration: 1.06 s; transit chord length: 31.4′
R.A.: 23h 02m; Dec: -08° 25′; parallactic angle: -36.9°
ISS velocity: 29.6 ′/s (angular); 5.21 km/s (transverse)
ISS velocity: -5.24 km/s (radial); 7.39 km/s (total);
Direction of motion relative to zenith: -2.1°
Moon angular size: 31.4′; 41.2 times larger than the ISS
Moon phase: 100.0%; angular separation from Sun: 177.8°
Sun altitude: -41.9°; the ISS will be in shadow"
(Photo by Michael Seeley)
Celestron Onyx 80ED with WO 0.8x reducer flattener ASI294MC Pro
1h 28min total integration time
PixInsight processed
Messier 1 Crab Nebula with Celestron 6SE ALT-AZ 420x5sec
Celestron Nexstar 6SE ALT-AZ telescopes may only take very short exposures to prevent field rotation in their images. But short exposures can be stacked together to make an effective much longer total integration time. This image was captured in a Bortle 4 zone without a wedge or EQ mount of any kind. The 6SE and its ALT-AZ mount setup in 5 minutes, was aligned to the sky in 3 minutes, and, using the ASIAIR Mini to only take the 5 second images, collected 420 of them for processing. Thus the total integration time was 35 minutes.
The camera was a ZWO ASI183MC (non-cooled) astrophotography camera. While unity gain for this camera is normally 111, I set it to 270 to boost the sensor sensitivity to help the short exposures do the work of longer exposures.
Aristoteles and Eudoxus: First Photo with the Celestron 8 EdgeHD.
I managed to see the moon against a bright blue sky this afternoon, and this is my first real photo with the new telescope. The photo isn't very good, but it promises better things to come.
These two craters form a distinctive pair, and catch the lunar morning light together. They are well-known friends to those of us who enjoy telescopic views of the Moon.
Aristoteles Crater is the upper member of the pair, and Eudoxus the lower. I will surely visit them under better observing conditions, and will have more to say of them at that time. For now, enjoy the view, and know that I am a happy boy.
Celestron CPC Deluxe 1100 Edge HD
Player One Mars-M camera
TeleVue 2.5 Powermate
Primalucelab Eagle2 Pro
Celestron ONYX80ED with WO 0.8x reducer flattener, ASI290MC camera, ASIAir Pro control and capture. Only 6x5minute frames before the clouds interrupted the imaging session.
I had some clear skies and good seeing conditions during the last week and here is a shot of the craters Copernicus (center) and Eratosthenes (upper left) as seen on the waxing gibbous moon.
This photo is best seen at full size (1550 x 1280) or in the Flickr Lightbox.
Taken at the prime focus of a Celestron C6 using a ZWO ASI178MM-Cool camera with a Baader red filter. Firecapture 2.5 Beta, shutter 50ms, gain 54, ROI 1550x1280. Best 40% of 1000 frames with Autostakkert!, wavelet sharpening in Registax, final tweaks in Photoshop CC2015.
All rights reserved.
Celestron EdgeHD 8" | Canon EOS RA | CGX Mount
60 30 Seconds Subs at ISO 1250
Stars Removed with StarNet++ and PS
A proper set of flat frames--plus a whole lot more light frames--brought out the fainter detail nicely.
Celestron CPC Deluxe 1100 Edge HD
Altair IMX174 Mono
ZWO Filter Wheel IR650mn Filter
X-Cel 3.o Barlow
Primalucelab Eagle2 Pro
Celestron NexStar 6SE
Tele Vue 2.5x Powermate
ZWO asi224mc with IR cut filter
ZWO ADC
FireCapture for ADC tuning.
2 minute capture in SharpCap
Processed in PIPP, AutoStakkert3, RegiStax Wavelets and finished in Lightroom.
Celestron NexStar 8SE SCT into 2.0 Meade Barlow focus @ 180 power to my terrific Nikon D7100. Stacked best 25% of 2,068 uncompressed AVI (movie) frames into a single tiff file with atmospheric effects virtually eliminated. Post-processing chain: PIPP, Autostakkert2, RegiStax6, Photoshop CC and Photoshop Lightroom.