NGC 7023

Introduction | Map | My Best Own Photos | My Own Observations | References || Appendix: My Own Photos

On this page I collect my observations of the galactic reflection nebula called Iris Nebula and the open star cluster NGC 7023, in the constellation Cepheus (for details see the following)

Introduction

NGC 7023 is the name of an open star cluster containing the Iris Nebula in the constellation Cepheus. NGC 7023 has an angular dimension of 10' × 8'. The Iris Nebula is a reflection nebula illuminated by a central star of apparent magnitude 7.1 mag.

NGC 7023/Iris Nebula
Size: 10' x 8' (Wikipedia)
Distance: 2,000 light years (Stoyan)
Rating: ---

Map

NGC 7023/Iris Nebula in constellation Cepheus (Image Courtesy of SkySafari Astronomy, www.simulationcurriculum.com)

My Best Own Photos

eVscope


NGC 7023 - Sep 9, 2020	NGC 7023 - Sep 9, 2020	NGC 7023 - Sep 15, 2020

NGC 7023 - Sep 9, 2020, photo above processed	NGC 7023 - Sep 9, 2020, photo above processed (Polarr)	NGC 7023 - Sep 15, 2020, photo above processed

NGC 7023 - Nov 24, 2020	NGC 7023 - Nov 24, 2020	NGC 7023 - Nov 24, 2020

NGC 7023 - Nov 24, 2020, processed	NGC 7023 - Nov 24, 2020, processed	NGC 7023 - Nov 24, 2020, processed

eVscope 2


NGC 7023 - Nov 24, 2022		NGC 7023 - Nov 24, 2022, photo left processed

NGC 7023 - Aug 21, 2023		NGC 7023 - Aug 21, 2023, photo left processed

Vespera

NGC 7023, Aug 16, 2022 - original (91 frames = 910 seconds)

Vespera Pro


NGC 7023, Aug 28, 2024 - 1800p (621 frames = 1:45h), section, processed		NGC 7023, Aug 28, 2024 - 1800p (621 frames = 1:45h), section, processed and denoised (DN)

My Own Observations

Observations September to November 2020

September 7, 2020 (Mühlhausen/Kraichgau: eVscope): NGC 7023 photographed in the new rectangular format without overlay
September 14, 2020 (Mühlhausen/Kraichgau: eVscope): NGC 7023 photographed (n.o., r.f.), poor conditions, clouds
September 15, 2020 (Mühlhausen/Kraichgau: eVscope): NGC 7023 photographed (n.o., r.f.)
September 30, 2020 (Mühlhausen/Kraichgau: eVscope): NGC 7023 photographed (n.o., r.f.)
November 30, 2020 (Mühlhausen/Kraichgau: eVscope): NGC 7023 photographed (n.o., r.f.)

Observations August to November 2022

August 16, 2022 (Mühlhausen/Kraichgau: Vespera): NGC 7023 photographed
November 24, 2022 (Mühlhausen/Kraichgau: eVscope2): NGC 7023 photographed

Observations August 2023

August 21 2023 (Mühlhausen/Kraichgau: eVscope2): NGC 7023 photographed; new image processing (DDT, app version 2.4.1)

Observations August 2024

August 28, 2022 (Mühlhausen/Kraichgau: Vespera Pro): NGC 7023 photographed (about 1:45 h)

References

Iris Nebula (Wikipedia): en.wikipedia.org/wiki/Iris_Nebula

On this Site

Appendix: My Own Photos

eVscope


NGC 7023 - Sep 9, 2020	NGC 7023 - Sep 9, 2020	NGC 7023 - Sep 9, 2020

NGC 7023 - Sep 9, 2020, processed	NGC 7023 - Sep 9, 2020, processed	NGC 7023 - Sep 9, 2020, processed

	NGC 7023 - Sep 9, 2020, photo above processed (Polarr)

NGC 7023 - Sep 14, 2020	NGC 7023 - Sep 14, 2020	NGC 7023 - Sep 15, 2020

NGC 7023 - Sep 14, 2020, processed	NGC 7023 - Sep 14, 2020, processed	NGC 7023 - Sep 15, 2020, processed

NGC 7023 - Sep 30, 2020	NGC 7023 - Sep 30, 2020, photo left processed

NGC 7023 - Nov 24, 2020	NGC 7023 - Nov 24, 2020	NGC 7023 - Nov 24, 2020

NGC 7023 - Nov 24, 2020, processed	NGC 7023 - Nov 24, 2020, processed	NGC 7023 - Nov 24, 2020, processed

eVscope 2


NGC 7023 - Nov 24, 2022		NGC 7023 - Nov 24, 2022, photo left processed

NGC 7023 - Aug 21, 2023		NGC 7023 - Aug 21, 2023, photo left processed

Vespera

NGC 7023, Aug 16, 2022 - original (91 frames = 910 seconds)

Vespera Pro


NGC 7023, Aug 28, 2024 - 1800p (621 frames = 1:45h), section, processed		NGC 7023, Aug 28, 2024 - 1800p (621 frames = 1:45h), section, processed and denoised (DN)