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IC 405 and IC 410 in Auriga
Copyright: Velimir Popov, Emil Ivanov @ Irida Observatory More info and hi-res image on website

TS 115/800
ZWO ASI 1600 MONO COOLED
H Alpha 12 nm
40 x 180 Seconds
RGB: 5 hours of DSLR data. (canon 450D Modded, Subs of 300 Seconds)
Total 7 hours
PixInsight + PS6

Omega Centauri
TS 115/800
ZWO ASI 1600 Mono Cooled
LRGB (20 min + 4 min + 4 min + 4 min)
Total 32 minutos
Frames de 2 minutos
L Bin 1x1
RGB Bin 2x2
Processamento: PixInsight + PS6

NGC 3324
Nebulosa Gabriela Mistral
HaRGB
120 - 8 - 4 - 4 (minutos
Total: 136 minutos
TS 115/800
ZWO ASI 1600 Mono Cooled

NGC 2070
Tarântula Nebula
TS 115/800
ZWO ASI 1600 MONO COOLED
Composição:
HA 40%
RGB 60%
HA: 180 Minutos
RGB: 40 - 32 - 32
Total: 4:44 Horas
PixInsight + PS6

Messier 78
TS 115/800
ASI ZWO 1600 Mono Cooled
Optolong: LRGB (180 - 35 - 24 - 24)
Processamento: PixInsight + PS6

NGC 253 - Galáxia do Escultor
William Optics 80 ED II
ZWO ASI 1600 MONO COOLED
LUMINANCE: 3 horas
RED: 40 minutos
GREEN: 30 Minutos
BLUE: 30 Minutos
Total: 4 Horas e 40 Minutos
Edição: PixInsight + Photoshop CS6

IC 2087 & Barnard 22

Image Credit & Copyright: José Jiménez Priego


https://www.facebook.com/jose.jimenezjj

Comet 41P:Tuttle Giacobini Kresak

Image Credit & Copyright: José Jiménez Priego

https://youtu.be/_d0M_R7ukZQ

https://www.facebook.com/jose.jimenezjj

Cluster generations: M35 and NGC2158
http://www.astromarcin.pl
Copyright: MArcin PAciorek Better res: http://www.astromarcin.pl/images/cluste ... ullRes.jpg

IC443 IC444 in SHO
https://www.facebook.com/OlivierPhotographie/
Copyright: Olivier



Better résolution : http://www.astrobin.com/full/288546/0/

Image details:
Telescope: Takahashi FSQ-106EDX3
Filters: Astrodon Gen2 E-Series OIII 3nm,SII 3nm & HA 3nm
Camera: Moravian G3-16200
Mont: EQ8

Integration: -SII 3nm filter = 56 x 600s
-OIII 3nm filter = 72 x 600s
-HA 3nm filter = 89 x 600s
Total: 36h10

Location: France
Author: OLIVIER Romain

Copyrights: Raul Villaverde Fraile
http://astrocentejo.wixsite.com/alcarria

IC443_La_Medusa by Raul Villaverde, en Flickr

204 mm F/10 H-alpha refractor + PST 1A modification +BF-15 + Barlow 1.8x / Basler 1920-155
Process by AS2 / imPPG / CS6
Best regards
Philippe TOSI (France)

The Crab Nebula, or M1, is the expanding remains of a supernova that exploded in the year 1054 in the constellation of Taurus.
I have assembled 5 images that span at least 110 years, possibly more. I have then adjusted the luminosity and contrast so that the images would match as closely as possible and I have used the Hubble image for the color component of all 5 images in the animation.
There are probably no other DSO object that displays such a dynamic expansion. This short pulsating loop reminds us that it is a living universe.
It is also interesting to note the bright star up to the right that has moved by quite a distance. Its proper motion is about 0.25 arc seconds/year.

* Image 1 was taken at the Lick observatory at the end of the 19th or the beginning of the 20th century.
* Image 2 was taken with the 200-inch Hale telescope in 1950
* Image 3 is a POSSII-Red plate from 1990
* Image 4 is the renowned Hubble image photographed in the year 2000.
* Image 5 was take by Adam Block/Mount Lemmon SkyCenter/University of Arizona with a 32-inch telescope in 2012.

All images used by fair-use permission.

/*Peter R

204 mm F/10 H-alpha refractor + PST 1A modification +BF-15 + Barlow 1.8x / Basler 1920-155
Process by AS2 / imPPG / CS6
Best regards
Philippe TOSI (France)

Abell21 - The Medusa Nebula
Copyright: Frank Iwaszkiewicz 50% crop
https://www.deep-sky-astroteam.de/de/node/418

NGC4565 - Galaxy on Edge

Copyright: CAAT - Centro Astronómico del Alto Turia
Processing: Alfonso Carreño Best Regards.-)

IC 4603
LUMINANCE: 150 MINUTES
RGB: 30 MINUTES EACH CHANNEL
TOTAL: 4 HOURS
WILLIAM OPTICS 80 ED II
ZWO ASI 1600 MONO COOLED
PROCESSING: PIXINSIGHT + PS6 (Leandro Fornazieiro)

Galactic Core
http://www.mdieterichphoto.com
Copyright: Matt Dieterich https://c1.staticflickr.com/3/2906/3380 ... 1375_h.jpg

After moving down to Texas from Pennsylvania, a whole new world of Milky Way shooting has opened up for me. I was thrilled to shoot my first deep image of the Milky Way this week, and so early in the season as well. What impressed me most was how much of the sky was visible below the galactic core from this latitude compared to up North. This is a 4 panel mosaic taken with a Nikon D750 and 24-70mm lens at 70mm using a tracking mount.

Sun Spot Active region 2645

https://www.flickr.com/photos/92681330@N06/33469379760

Copyright: Daniel Pasternak

It's been a 20 years since comet Hale-Bopp appeared on a night sky. Image was captured on Fuji film 400, with Canon EF 70-200L f2.8 lens.


Hale-Bopp__1997 by Zoran Novak, on Flickr

Hola a todos:
os dejo la ic 434 y la ngc 2024 esto es lo que he sacado, espero que os guste.
estos son los datos:
TOMAS:
R: 15 Light de 600 segundos, 16 Darks, 30 Flats y 50 Bias
G: 10 Light de 600 segundos, 10 Darks, 30 Flats y 50 Bias
B: 7 Light de 600 segundos, 7 Darks, 30 Flats y 50 Bias
H-alfa: 12 Light de 900 segundos, 12 Darks, 30 Flats y 50 Bias
TEMPERATURA: -10 GRADOS
TUBO: FSQ 106 ED
CCD: SBIG ST-8300M
MONTURA: CGEM
CCD guiar: QHY5II
LUGAR: LAS INVIERNAS (GUADALAJARA)

Surge prominence from AR2644
author: Łukasz Sujka

Photo of big surge prominence from AR2644

Date: 04.04.2017 12:40 CEST
Equipment: Refractor TS 102/1100 + etalon from Lunt50THa + barlow TV x2 + PG Chameleon 3 camera



https://www.facebook.com/lukasz.sujka.astronomy/

link to full version:
http://cdn.astrobin.com/images/thumbs/7 ... ermark.jpg

C2.3 flare from AR2644
author: Łukasz Sujka

Animation of AR2644 on the Sun limb with minor C2.3 flare

Date: 04.04.2017 12:28-13:54 CEST
Equipment: Refractor TS 102/1100 + etalon from Lunt50THa + barlow TV x2 + PG Chameleon 3 camera



https://www.facebook.com/lukasz.sujka.astronomy/

link to full version:
http://cdn.astrobin.com/images/10412/20 ... a64970.gif